{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"What should be noticed after modifying blockchain data?","a":"Security: Since blockchain data is difficult to tamper with, after modifying the data, you need to ensure that the new data can be accepted by other nodes under the consensus  mechanism, avoiding blockchain forking due to inconsistent data."}]}],"pr":"dfe1912cca03203d7d2298262fd339bc0fee93bcf62b79a881a947edcc6a0cb2"}